C

Logging is an essential part of programming. Logging helps tracking various events, errors, troubleshooting. It helps the developers to great extent troubleshooting a problem if the file name and line…

Real life programs are generally very big distributed across many files with hundreds of lines. Sometimes we need to print the current file name and the line number. Like, it…

The iconic "Hello, World" program simply prints the message "Hello, World" on the screen. Brian Kernighan used it as a very simple C example program in late 70's. It became…